[jboss-jira] [JBoss JIRA] Commented: (JBREM-541) null pointer when receiving detection message
[ http://jira.jboss.com/jira/browse/JBREM-541?page=comments#action_12339613 ]
John Mazzitelli commented on JBREM-541:
---------------------------------------
I should mention what invoker locator URLs I am using.
In the JBossAS, my connector's invoker locator is shown in this debug message:
12:04:25,166 INFO [ServletServerInvoker] Invoker started for locator: InvokerLocator
[servlet://192.168.0.5:8080/servlet-invoker/ServerInvokerServlet?jon.communications.connector.jontype=server]
In that J2SE app, my connector's invoker locator is shown in this debug message:
12:05:00,597 DEBUG [main] (jboss.remoting.transport.socket.SocketServerInvoker)- Invoker
started for locator: InvokerLocator
[socket://192.168.0.5:16163/?backlog=200&clientMaxPoolSize=304&enableTcpNoDelay=true&jon.communications.connector.jontype=agent&maxPoolSize=303&numAcceptThreads=1&socketTimeout=60000]
I should also mention that regardless of the fact that the detector is failing, I can
successfully send messages from the J2SE app to the JBossAS servlet invoker. So,
connectivity is there and the rest of remoting works.
null pointer when receiving detection message
---------------------------------------------
Key: JBREM-541
URL: http://jira.jboss.com/jira/browse/JBREM-541
Project: JBoss Remoting
Issue Type: Bug
Security Level: Public(Everyone can see)
Affects Versions: 2.0.0.Beta2 (Boon)
Reporter: John Mazzitelli
Assigned To: Tom Elrod
Fix For: 2.0.0.CR1 (Boon)
I am seeing a NullPointerException that causes my multicast detector to fail.
I have a JBoss 4.0.4.CR2 install that has my connector and multicast detector deployed.
I also deployed the servlet-invoker war because i am using the servlet transport.
I start up the JBossAS fine. No errors. I then start up a second JVM that contains my
J2SE app that also has a JBoss-Remoting connector and multicast detector in it.
After that second VM starts, I can see the JBossAS receives the multicast message, but it
throws the following exception:
11:58:53,118 DEBUG [MulticastDetector] Error receiving detection
java.lang.NullPointerException
at org.jboss.remoting.detection.AbstractDetector.detect(AbstractDetector.java:402)
at
org.jboss.remoting.detection.multicast.MulticastDetector.listen(MulticastDetector.java:232)
at
org.jboss.remoting.detection.multicast.MulticastDetector.access$100(MulticastDetector.java:43)
at
org.jboss.remoting.detection.multicast.MulticastDetector$Listener.run(MulticastDetector.java:260)
In that J2SE VM, I get this exception:
12:05:21,106 DEBUG [Remoting Multicast Detector - Listener Thread: 0]
(jboss.remoting.detection.multicast.MulticastDetector)- Error receiving detection
java.net.SocketException: socket closed
at java.net.PlainDatagramSocketImpl.receive0(Native Method)
at java.net.PlainDatagramSocketImpl.receive(PlainDatagramSocketImpl.java:136)
at java.net.DatagramSocket.receive(DatagramSocket.java:712)
at
org.jboss.remoting.detection.multicast.MulticastDetector.listen(MulticastDetector.java:244)
at
org.jboss.remoting.detection.multicast.MulticastDetector.access$000(MulticastDetector.java:45)
at
org.jboss.remoting.detection.multicast.MulticastDetector$Listener.run(MulticastDetector.java:289)
I have trace mode enabled but those are the only messages I see wrt the detector.
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